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<A href="introduction6.htm">Debugging Tools for Windows (WinDbg, KD, CDB, NTSD)</A> &gt; <A href="debugger_reference.htm">Debugger Reference</A> &gt; <A href="debugger_commands.htm">Debugger Commands</A> &gt; <A href="specialized_extensions.htm">Specialized Extension Commands</A> &gt; <A href="hid_extensions.htm">HID Extensions</A> &gt; </div>
	<div id="winchm_template_title">!hidkd.hidrd</div>
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	<div id="winchm_template_content"><div id="mainSection"><p>The  <b>!hidkd.hidrd</b> command displays a HID report descriptor in both raw and parsed format.</p>
<pre class="syntax"><b>!hidkd.hidrd </b><i>rd</i><b> </b><i>Length</i></pre>
<h2><a id="ddk__devobj_dbg"></a><a id="DDK__DEVOBJ_DBG"></a>Parameters</h2>
<p></p>
<dl>
<dt><a id="_______rd______"></a><a id="_______RD______"></a>       <i>rd</i>      </dt>
<dd>
<p>Address of the raw report descriptor data. To get the address of the descriptor data, use the <a href="#Bookmark2622"><b>!hidfdo</b></a> command.</p>
</dd>
<dt><a id="_______Length______"></a><a id="_______length______"></a><a id="_______LENGTH______"></a>       <i>Length</i>      </dt>
<dd>
<p>The length, in bytes, of the raw report descriptor data. To get the length, use the <a href="#Bookmark2622"><b>!hidfdo</b></a> command.</p>
</dd>
</dl>
<h2><a id="DLL"></a><a id="dll"></a>DLL</h2>
<p>Hidkd.dll</p>
<h2>Examples</h2>
<p>This example shows how to use the <a href="#Bookmark2622"><b>!hidfdo</b></a> command followed by the <b>!hidrd</b> command. The output of <b>!hidfdo</b> shows both the address and length of the raw report descriptor data.</p>
<pre class="syntax" xml:space="preserve"><code>0: kd&gt; !hidfdo 0xffffe00004f466e0
FDO 0xffffe00004f466e0  (!devobj/!devstack)
==============================================
  Name              : \Device\_HID00000002
  ...
  Report Descriptor : !hidrd 0xffffe00004281a80 0x127
  ...

0: kd&gt; !hidrd 0xffffe00004281a80 0x127
Report Descriptor at 0xffffe00004281a80

Raw Data
-------------------------------------------------------
0x0000: 05 01 09 02 A1 01 05 01-09 02 A1 02 85 1A 09 01
0x0010: A1 00 05 09 19 01 29 05-95 05 75 01 15 00 25 01
0x0020: 81 02 75 03 95 01 81 01-05 01 09 30 09 31 95 02
...

Parsed
-------------------------------------------------------------------------
Usage Page (Generic Desktop Controls)....................0x0000: 05 01
Usage (Mouse)............................................0x0002: 09 02
Collection (Application).................................0x0004: A1 01
..Usage Page (Generic Desktop Controls)..................0x0006: 05 01
..Usage (Mouse)..........................................0x0008: 09 02
..Collection (Logical)...................................0x000A: A1 02
....Report ID (26).......................................0x000C: 85 1A
...
End Collection ()........................................0x0126: C0</code></pre>
<h2><a id="see_also"></a>See also</h2>
<dl>
<dt><a href="#Bookmark2620">HID Extensions</a></dt></dl></div></div>	
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